function number_format (number, decimals, dec_point, thousands_sep){
	number 	= (number + '').replace(/[^0-9+\-Ee.]/g, '');
	var n 	= !isFinite(+number) ? 0 : +number,
	prec 	= !isFinite(+decimals) ? 0 : Math.abs(decimals),
	sep 	= (typeof thousands_sep === 'undefined') ? ',' : thousands_sep,
	dec 	= (typeof dec_point === 'undefined') ? '.' : dec_point,
	s 		= '',

	toFixedFix 	= function (n, prec) {
	var k 		= Math.pow(10, prec);
	return '' + Math.round(n * k) / k;
	};
	s 	= (prec ? toFixedFix(n, prec) : '' + Math.round(n)).split('.');
	if (s[0].length > 3) {
	s[0] = s[0].replace(/\B(?=(?:\d{3})+(?!\d))/g, sep);
	}
	if ((s[1] || '').length < prec){
	s[1] = s[1] || '';
	s[1] += new Array(prec - s[1].length + 1).join('0');
	}
	return s.join(dec);
}
